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Finding the Fourth Proportional to 614,744.20, 922,116.30 and 334,808.20

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Solution

The fourth proportional to 614,744.20, 922,116.30 and 334,808.20 is: 502,212.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,744.20 : 922,116.30 = 334,808.20 : x
  2. Step 2: Convert to fraction form
    614,744.20/922,116.30 = 334,808.20/x
  3. Step 3: Cross multiply
    614,744.20x = 922,116.30 × 334,808.20
  4. Step 4: Simplify right side
    614,744.20x = 308,732,098,593.66
  5. Step 5: Solve for x
    x = 308,732,098,593.66/614,744.20
  6. Step 6: Final answer
    x = 502,212.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.